Home / 262,296,038.10-393,695,999.55-133,049,586.90

Finding the Fourth Proportional to 262,296,038.10, 393,695,999.55 and 133,049,586.90

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Solution

The fourth proportional to 262,296,038.10, 393,695,999.55 and 133,049,586.90 is: 199,702,178.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,296,038.10 : 393,695,999.55 = 133,049,586.90 : x
  2. Step 2: Convert to fraction form
    262,296,038.10/393,695,999.55 = 133,049,586.90/x
  3. Step 3: Cross multiply
    262,296,038.10x = 393,695,999.55 × 133,049,586.90
  4. Step 4: Simplify right side
    262,296,038.10x = 52,381,090,104,310,088
  5. Step 5: Solve for x
    x = 52,381,090,104,310,088/262,296,038.10
  6. Step 6: Final answer
    x = 199,702,178.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.